CN113517081B - Fuel rod inspection and storage device - Google Patents
Fuel rod inspection and storage device Download PDFInfo
- Publication number
- CN113517081B CN113517081B CN202010277134.3A CN202010277134A CN113517081B CN 113517081 B CN113517081 B CN 113517081B CN 202010277134 A CN202010277134 A CN 202010277134A CN 113517081 B CN113517081 B CN 113517081B
- Authority
- CN
- China
- Prior art keywords
- storage
- inspection
- fuel rod
- rack
- hole
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000000446 fuel Substances 0.000 title claims abstract description 139
- 238000007689 inspection Methods 0.000 title claims abstract description 131
- 238000001514 detection method Methods 0.000 claims abstract description 19
- 230000013011 mating Effects 0.000 claims 1
- 230000007774 longterm Effects 0.000 abstract description 3
- 239000000523 sample Substances 0.000 description 9
- 230000000007 visual effect Effects 0.000 description 4
- 238000011179 visual inspection Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000000151 deposition Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 239000003758 nuclear fuel Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000000941 radioactive substance Substances 0.000 description 1
- 239000002915 spent fuel radioactive waste Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21C—NUCLEAR REACTORS
- G21C19/00—Arrangements for treating, for handling, or for facilitating the handling of, fuel or other materials which are used within the reactor, e.g. within its pressure vessel
- G21C19/32—Apparatus for removing radioactive objects or materials from the reactor discharge area, e.g. to a storage place; Apparatus for handling radioactive objects or materials within a storage place or removing them therefrom
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21C—NUCLEAR REACTORS
- G21C19/00—Arrangements for treating, for handling, or for facilitating the handling of, fuel or other materials which are used within the reactor, e.g. within its pressure vessel
- G21C19/02—Details of handling arrangements
- G21C19/10—Lifting devices or pulling devices adapted for co-operation with fuel elements or with control elements
- G21C19/105—Lifting devices or pulling devices adapted for co-operation with fuel elements or with control elements with grasping or spreading coupling elements
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- General Engineering & Computer Science (AREA)
- High Energy & Nuclear Physics (AREA)
- Monitoring And Testing Of Nuclear Reactors (AREA)
Abstract
The invention relates to the technical field of fuel inspection and repair, in particular to a fuel rod inspection and storage device, which comprises a storage rack, a storage pipe vertically supported in the storage rack and an inspection rack supported at the top end of the storage rack, wherein an inspection space is formed between the inspection rack and the storage rack, an inspection hole and a storage hole for a fuel rod to pass through are formed in the inspection rack, a detection piece is arranged in the inspection hole, and the storage hole and the storage pipe are coaxially arranged and communicated to form a storage channel. The fuel rod can be detected by the detecting piece through the detecting hole and then reaches the detecting space for detection, the detected fuel rod can be put into the storage tube from the storage hole through the storage channel for storage after exiting the detecting space and the detecting hole, and the fuel rod stored in the storage tube can also enter the detecting hole and the detecting space for rechecking after being taken out from the storage channel. The integrated design and operation of the fuel rod inspection and storage are realized, the operation time of the fuel rod inspection and storage can be reduced, and the long-term storage of the fuel rod is realized.
Description
Technical Field
The invention relates to the technical field of fuel inspection and repair, in particular to a fuel rod inspection and storage device.
Background
During the operation of the nuclear power station, the fuel rod is in a high-temperature high-pressure high-irradiation environment for a long time, and is easy to damage and leak due to the influences of foreign matters in the reactor core, vibration and water flow impact. After the nuclear power plant is evaluated, the fuel assembly can be repaired by replacing a new fuel rod for suspected broken fuel rods. The suspected broken fuel rod is removed from the fuel assembly and is stored in a dedicated container after visual or eddy current inspection.
In the prior art, the inspection device of the irradiated fuel rod is mostly a special tool, the special tool is mutually independent from the storage container, the fuel rod is hung and moved to the special tool through the fuel rod operation tool to be inspected, and the fuel rod is lifted and translated to the storage container through the fuel rod operation tool after being inspected and determined, so that the whole operation is time-consuming and the radioactive substance release probability in the fuel rod is easy to increase. In addition, most of the existing irradiated fuel rod storage containers are designed to be simply and temporarily stored, and do not have an operation interface of a fuel rod inspection tool and long-term safe storage capacity of the irradiated fuel rods in a fuel pool.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a fuel rod checking and storing device which can reduce the operation time of checking and storing the fuel rods so as to overcome the defects in the prior art.
In order to solve the technical problems, the invention adopts the following technical scheme: the utility model provides a fuel rod inspection and strorage device, includes the storage rack, the vertical support in the storage rack deposit the pipe and support the inspection rack on storage rack top, is formed with the inspection space between inspection rack and the storage rack, has offered inspection hole and the depositing hole that supplies the fuel rod to pass through on the inspection rack, installs the detection piece in the inspection hole, and the depositing hole sets up and is linked together with the pipe is coaxial and forms the deposit passageway.
Preferably, the storage pipes and the storage holes are all provided with a plurality of storage channels, and the storage holes are communicated with the storage pipes in a one-to-one correspondence manner.
Preferably, the plurality of storage tubes are uniformly distributed in an array.
Preferably, the storage rack comprises a plurality of guide plates and a fixed frame, wherein the guide plates are arranged along the axial direction of the storage pipe at intervals, the fixed frame is connected with the guide plates, and the storage pipe penetrates through the guide plates.
Preferably, the inspection rack is supported at the top end of the storage rack by vertically disposed pins.
Preferably, a guide frame is arranged in the inspection hole, and the detection piece is arranged in the guide frame.
Preferably, the device further comprises an adapting plate matched with the hoisting tool, and the adapting plate is arranged at the top end of the inspection rack.
Preferably, the adapter plate is detachably connected to the inspection rack.
Preferably, the storage rack further comprises a base, and the bottom end of the storage rack is supported on the base.
Compared with the prior art, the invention has obvious progress:
by adopting the fuel rod checking and storing device, the fuel rods to be checked can be checked by the checking holes on the checking frame through the checking pieces and then reach the checking space, the checked fuel rods can be put into the storing tube from the storing holes on the checking frame through the storing channel after exiting from the checking space and the checking holes, and the fuel rods stored in the storing tube can also be taken out from the storing channel and then enter the checking holes and the checking space for re-checking. Therefore, the fuel rod checking and storing device realizes the integrated design and operation of fuel rod checking and storing, can realize the checking and storing of the fuel rods at the same time, and the checking and storing operations are not interfered with each other, so that the fuel rod checking and storing operation time can be effectively reduced.
Drawings
FIG. 1 is a schematic perspective view of a fuel rod inspection and storage device according to an embodiment of the present invention.
FIG. 2 is a schematic view of a split top of a fuel rod inspection and storage device according to an embodiment of the present invention.
FIG. 3 is a schematic top view of a storage rack in a fuel rod inspection and storage device according to an embodiment of the present invention.
FIG. 4 is a schematic view of a split bottom of a fuel rod inspection and storage device according to an embodiment of the present invention.
FIG. 5 is a schematic front view of a fuel rod inspection and storage device according to an embodiment of the present invention.
Fig. 6 is a schematic cross-sectional view taken along A-A in fig. 5.
FIG. 7 is a schematic top view of a fuel rod inspection and storage device according to an embodiment of the present invention.
FIG. 8 is a schematic diagram illustrating operation of a fuel rod inspection and storage device according to an embodiment of the present invention.
Wherein reference numerals are as follows:
1. storage rack 11, guide plate
111. Top guide plate 112, bottom guide plate
113. Middle guide plate 12 and fixing frame
13. First screw 2, storage tube
3. Inspection rack 30, inspection space
31. Inspection hole 32, storage hole
33. Guide 34, pin
4. Adapter plate 41, registration pin hole
42. Jaw groove 43, second screw
5. Base 51, support square
6. Underwater camera 7 and fuel rod operation tool
8. Fuel rod
Detailed Description
The following describes the embodiments of the present invention in further detail with reference to the accompanying drawings. These embodiments are merely illustrative of the present invention and are not intended to be limiting.
In the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
Furthermore, in the description of the present invention, unless otherwise indicated, the meaning of "a plurality" is two or more.
As shown in fig. 1-8, one embodiment of the fuel rod inspection and storage device of the present invention.
Referring to fig. 1 and 2, the fuel rod inspection and storage device of the present embodiment includes a storage rack 1, a storage tube 2, and an inspection rack 3. The storage tube 2 is vertically supported in the storage rack 1, and the storage tube 2 is used for storing fuel rods. The inspection rack 3 is supported at the top end of the storage rack 1, and an inspection space 30 is formed between the inspection rack 3 and the storage rack 1, the inspection space 30 being for inspecting the fuel rods placed therein, for example, the inspection space 30 being a window for visually inspecting the fuel rods, and when the fuel rods enter the inspection space 30, visual observation is performed to complete the surface inspection of the fuel rods. The inspection rack 3 is provided with an inspection hole 31 and a storage hole 32, and the inspection hole 31 and the storage hole 32 can be used for the fuel rod to pass through. A detecting member (not shown) is installed in the inspection hole 31, and the detecting member can detect the fuel rod when the fuel rod passes through the inspection hole 31, for example, the detecting member can be a detecting probe, the detecting probe can be an externally penetrating probe, the detecting probe is built in the inspection hole 31, and damage detection can be performed on the fuel rod when the fuel rod passes through the inspection hole 31. Preferably, a guide frame 33 may be disposed in the inspection hole 31, the guide frame 33 is penetrated in an axial direction, the detecting member is mounted in the guide frame 33, the fuel rod passes through the guide frame 33, and the guide frame 33 can perform a good guiding function on the movement of the fuel rod. The storage holes 32 on the inspection rack 3 are coaxially arranged with the storage tube 2 and are communicated to form a storage passage through which the fuel rods can be stored and taken out. The fuel rods to be inspected are inspected by the inspection piece through the inspection holes 31 on the inspection frame 3 and then reach the inspection space 30 for inspection, the inspected fuel rods can be put into the storage tube 2 from the storage holes 32 on the inspection frame 3 to be stored through the storage channel after exiting from the inspection space 30 and the inspection holes 31, and the fuel rods stored in the storage tube 2 can also be taken out from the storage channel and then enter the inspection holes 31 and the inspection space 30 for re-inspection. Therefore, the fuel rod checking and storing device of the embodiment realizes the integrated design and operation of fuel rod checking and storing, can realize the checking and storing of the fuel rods at the same time, and the checking and storing operations are not interfered with each other, so that the fuel rod checking and storing operation time can be effectively shortened, and the fuel rod checking and storing device of the embodiment can be placed in a fuel pool grid, so that the long-term storing of the fuel rods can be realized, and the periodical checking of the stored fuel rods can be realized.
Referring to fig. 2 and 3, in the present embodiment, it is preferable that a plurality of storage holes 32 are provided in each of the storage tube 2 and the inspection rack 3, and the plurality of storage holes 32 are communicated with the plurality of storage tubes 2 in one-to-one correspondence to form a plurality of storage passages, so that a plurality of fuel rods can be stored simultaneously. The number of the storage tubes 2 is not limited, and the design can be selected according to the actual needs, and the number of the storage holes 32 on the inspection rack 3 is the same as the number of the storage tubes 2. For example, in the present embodiment, the number of the storage holes 32 in the storage tube 2 and the inspection rack 3 is 49, and simultaneous storage of up to 49 groups of fuel rods can be achieved. Preferably, the plurality of storage tubes 2 are uniformly distributed in an array, and correspondingly, the plurality of storage holes 32 are uniformly distributed in an array on the inspection rack 3. In this embodiment, preferably, one inspection hole 31 is provided on the inspection rack 3, and the inspection hole 31 is located at the center of the inspection rack 3, and the plurality of storage holes 32 are uniformly distributed in an array around the inspection hole 31.
Referring to fig. 1, 2 and 4, in the present embodiment, preferably, the storage rack 1 includes a plurality of guide plates 11 disposed at intervals along an axial direction of the storage tube 2 and a fixing frame 12 connecting the plurality of guide plates 11, the storage tube 2 is disposed through the plurality of guide plates 11, and the plurality of guide plates 11 play a role in guiding and supporting the storage tube 2 so as to ensure vertical support of the storage tube 2 in the storage rack 1. Preferably, the plurality of guide plates 11 may include a top guide plate 111 at the top end of the storage rack 1, a bottom guide plate 112 at the bottom end of the storage rack 1, and a plurality of middle guide plates 113 between the top guide plate 111 and the bottom guide plate 112, and the plurality of middle guide plates 113 are uniformly distributed between the top guide plate 111 and the bottom guide plate 112. The fixing frame 12 may include two concave fixing plates disposed opposite to each other, where the two concave fixing plates are respectively connected to the top guide plate 111, the middle guide plate 113 and the bottom guide plate 112 on two sides of the guide plate 11 in sequence, so as to form the storage rack 1, and the storage tube 2 sequentially penetrates through the top guide plate 111, the middle guide plate 113 and the bottom guide plate 112 along a vertical direction and is vertically supported in the storage rack 1, and top and bottom ends of the storage tube 2 are respectively connected to and matched with the top guide plate 111 and the bottom guide plate 112. In the present embodiment, the number of the middle guide plates 113 is not limited, and may be selected according to the length of the storage tube 2. Referring to fig. 5 and 6, the fixing frame 12 and the guide plate 11 (the bottom guide plate 112 is shown in fig. 6) may be fixedly coupled by a first screw 13.
Referring to fig. 1 and 2, in the present embodiment, the inspection rack 3 is preferably supported at the top end of the storage rack 1 by vertically disposed pins 34. The inspection rack 3 is supported at the top end of the storage rack 1 by the pins 34 such that the inspection rack 3 and the top end of the storage rack 1 are spaced apart to form the inspection space 30. Preferably, four pins 34 are provided, and four pins 34 are respectively provided at four corners of the bottom surface of the inspection rack 3 and connected to the storage rack 1 at four corners of the top end of the storage rack 1, thereby ensuring stable support of the inspection rack 3 on the storage rack 1 and enabling the four pins 34 to be located at the outer edge of the inspection space 30 without interfering with the entry of the fuel rod into the inspection space 30. In this embodiment, four pins 34 are connected to the top guide plate 111 in the storage rack 1. In this embodiment, preferably, the top end of the fixing frame 12 may extend to the bottom end of the inspection rack 3 to be connected to the inspection rack 3, where two opposite sides of the inspection space 30 are blocked by the fixing frame 12, and the other two sides are open windows for visual inspection. The top end of the fixed frame 12 is connected with the bottom end of the checking frame 3, so that the connection between the checking frame 3 and the storage frame 2 is more stable, and the overall stability of the device is ensured. The connection between the top end of the fixing frame 12 and the inspection frame 3 is not limited, and for example, screw fastening may be used.
Referring to fig. 1, 2 and 7, the fuel rod inspecting and storing device of the present embodiment preferably further includes an adapter plate 4 matched with the lifting tool, and the adapter plate 4 is mounted on the top end of the inspecting rack 3. The lifting tool is a fuel assembly operation tool and can be used for clamping and lifting the fuel rod checking and storing device of the embodiment to realize the movement of the fuel rod checking and storing device of the embodiment, and the lifting tool adopts the fuel assembly operation tool in the prior art. The design of the adapting plate 4 is matched with the selected lifting tool, and the lifting interface is matched with the lifting tool, so that the lifting operation of the fuel rod checking and storing device in the embodiment can be very conveniently realized through the matching of the lifting tool and the lifting interface on the adapting plate 4, the lifting operation time is greatly shortened, and the operation risk of the fuel rod and the irradiation metering of personnel are reduced. Preferably, the present embodiment adopts a pressurized water reactor fuel assembly hoisting interface design, and a positioning pin hole 41 and a clamping jaw groove 42 are arranged on the adapting plate 4, wherein the positioning pin hole 41 is used for realizing the positioning of a hoisting tool, and the clamping jaw groove 42 is used for realizing the locking of the hoisting tool. The clamping jaw groove 42 is formed in the middle of the adapting plate 4, two positioning pin holes 41 are formed in the two opposite corner positions of the adapting plate 4.
Because the adapter plate 4 is mounted on the top end of the inspection rack 3, the outer edge portion of the adapter plate 4 may block the storage hole 32 on the inspection rack 3, so that usable storage channels are reduced, and in order to achieve the maximum utilization rate of all storage channels, in this embodiment, preferably, the adapter plate 4 is detachably connected with the inspection rack 3, after the fuel rod inspection and storage device of this embodiment is lifted in place by matching the adapter plate 4 with a lifting tool, the adapter plate 4 can be detached from the inspection rack 3, so that no blocking exists above the inspection rack 3, and all storage channels can be put into use. The manner in which the adapter plate 4 is detachably connected to the inspection rack 3 is not limited, and for example, in this embodiment, the adapter plate 4 is connected to the inspection rack 3 by means of the second screws 43, four second screws 43 may be provided, four second screws 43 are provided at four corners of the adapter plate 4, and four corners of the top end of the inspection rack 3 are connected to the inspection rack 3.
Referring to fig. 1 and 4, the fuel rod inspection and storage device of the present embodiment preferably further includes a base 5, and the bottom end of the storage rack 1 is supported on the base 5. In this embodiment, the bottom guide plate 112 in the storage rack 1 is fixedly connected with the base 5. The four corners of the bottom surface of the base 5 are respectively provided with a supporting square 51, and the fuel rod checking and storing device of the embodiment can be stably placed at the bottom of the fuel pool grid through the base 5 and the supporting square 51, so that the fuel rod checking and storing device of the embodiment can be stably placed on the fuel pool grid.
Referring to fig. 8, the fuel rod inspection and storage device of the present embodiment may be placed in a fuel pool grid when in use, and the detection member installed in the guide frame 33 may be an eddy current probe, so as to detect damage to the fuel rod and read the detection result. In order to facilitate visual inspection of the fuel rod in the inspection space 30 under water, an underwater camera 6 may be disposed in the fuel pool, and the underwater camera 6 is disposed on the outer peripheral side of the inspection space 30 of the fuel rod inspection and storage device of this embodiment, so that the surface inspection of the fuel rod can be realized by performing close-range visual inspection of the fuel rod entering the inspection space 30 by the underwater camera 6. Of course, the detecting member of the fuel rod detecting and storing device of the present embodiment is not limited to the eddy current probe detection, the detecting space 30 is not limited to the visual detection, and other detection may be performed, such as the ultrasonic probe detection, the LVDT (Linear Variable Differential Transformer ) probe detection, and the like.
Referring to fig. 8, the fuel rod inspection and storage device of the present embodiment works on site as follows: firstly, assembling the fuel rod checking and storing device of the embodiment on the side of a fuel pool, fastening parts of the fuel rod checking and storing device, and then hoisting the assembled fuel rod checking and storing device into the fuel pool by utilizing the matching of a hoisting tool and an adapting plate 4, and placing the assembled fuel rod checking and storing device at a designated grid position in the fuel pool; then, the field staff adopts the fuel rod operation tool 7 to grasp the fuel rod 8 to be inspected and move the fuel rod 8 to the position right above the guide frame 33 in the inspection hole 31 on the inspection frame 3, slowly descends the fuel rod operation tool 7 to enable the fuel rod 8 to pass through the inspection hole 31 on the inspection frame 3, detects and reads detection data by a detection piece (an eddy current probe), and after the fuel rod 8 enters the inspection space 30, the underwater camera 6 is used for carrying out close-range visual observation on the fuel rod 8; after the detection is finished, the fuel rod operation tool 7 is lifted, the fuel rod 8 moves upwards to exit the detection space 30 and the detection hole 31, then the fuel rod operation tool 7 is translated to move the fuel rod 8 to the position above the storage hole 32 corresponding to the empty storage pipe 2, the fuel rod operation tool 7 is lowered, the fuel rod 8 is placed into the storage pipe 2 through the storage hole 32 and passes through the storage channel, the fuel rod 8 is continuously lowered until the fuel rod 8 completely falls to the bottom of the storage pipe 2, the distance between the top end of the fuel rod 8 and the top guide plate 111 is observed, and after the distance is confirmed, the fuel rod operation tool 7 is loosened and retracted, namely, the detection and storage operation of the fuel rod 8 is completed once.
The fuel rod checking and storing device of the embodiment is suitable for checking and storing irradiated fuel rods (such as spent fuel rods of a nuclear power station), and is also suitable for storing pilot test rods and stainless steel substitute rods of the nuclear power station.
The foregoing is merely a preferred embodiment of the present invention, and it should be noted that modifications and substitutions can be made by those skilled in the art without departing from the technical principles of the present invention, and these modifications and substitutions should also be considered as being within the scope of the present invention.
Claims (9)
1. The utility model provides a fuel rod inspection and strorage device, its characterized in that includes storage rack (1), vertical support storage tube (2) in storage rack (1) and support inspection rack (3) on storage rack (1) top, inspection rack (3) with be formed with inspection space (30) between storage rack (1), set up inspection hole (31) and storage hole (32) that supply the fuel rod to pass through on inspection rack (3), install the detection piece in inspection hole (31), storage hole (32) with coaxial setting of storage tube (2) and be linked together and form the storage passageway.
2. The fuel rod inspection and storage device according to claim 1, wherein a plurality of storage pipes (2) and storage holes (32) are provided, and a plurality of storage holes (32) are communicated with a plurality of storage pipes (2) in one-to-one correspondence to form a plurality of storage passages.
3. A fuel rod inspection and storage device according to claim 2, wherein a plurality of said storage tubes (2) are uniformly distributed in an array.
4. The fuel rod inspection and storage device according to claim 1, wherein the storage rack (1) comprises a plurality of guide plates (11) arranged at intervals along the axial direction of the storage tube (2) and a fixing frame (12) connecting the plurality of guide plates (11), and the storage tube (2) is penetrated through the plurality of guide plates (11).
5. The fuel rod inspection and storage device according to claim 1, characterized in that the inspection rack (3) is supported at the top end of the storage rack (1) by means of vertically arranged pins (34).
6. The fuel rod inspection and storage device according to claim 1, characterized in that a guide frame (33) is provided in the inspection hole (31), and the detecting member is installed in the guide frame (33).
7. The fuel rod inspection and storage device according to claim 1, further comprising an adapter plate (4) for mating with a lifting tool, said adapter plate (4) being mounted on top of said inspection rack (3).
8. The fuel rod inspection and storage device according to claim 7, characterized in that the adapter plate (4) is detachably connected to the inspection rack (3).
9. The fuel rod inspection and storage device according to claim 1, further comprising a base (5), the bottom end of the storage rack (1) being supported on the base (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010277134.3A CN113517081B (en) | 2020-04-10 | 2020-04-10 | Fuel rod inspection and storage device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010277134.3A CN113517081B (en) | 2020-04-10 | 2020-04-10 | Fuel rod inspection and storage device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113517081A CN113517081A (en) | 2021-10-19 |
| CN113517081B true CN113517081B (en) | 2023-11-28 |
Family
ID=78060447
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010277134.3A Active CN113517081B (en) | 2020-04-10 | 2020-04-10 | Fuel rod inspection and storage device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113517081B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114927249A (en) * | 2022-05-20 | 2022-08-19 | 国核电站运行服务技术有限公司 | Positioning tool for fuel assembly of nuclear power station |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0298387A2 (en) * | 1987-07-07 | 1989-01-11 | ABB Reaktor GmbH | Device and method for the inspection of nuclear reactor fuel assemblies |
| JPH11211882A (en) * | 1998-01-30 | 1999-08-06 | Toshiba Corp | Lining plate inspecting device for fuel storage pool |
| JP2014020894A (en) * | 2012-07-18 | 2014-02-03 | Toshiba Corp | Failed fuel inspection device and failed fuel inspection method |
| CN106448765A (en) * | 2016-11-25 | 2017-02-22 | 中国核动力研究设计院 | Nuclear power plant spent fuel assembly whole detection device |
| CN207165245U (en) * | 2017-04-21 | 2018-03-30 | 宜兴市隆达环保设备有限公司 | A kind of nuclear fuel assembly storage rack |
-
2020
- 2020-04-10 CN CN202010277134.3A patent/CN113517081B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0298387A2 (en) * | 1987-07-07 | 1989-01-11 | ABB Reaktor GmbH | Device and method for the inspection of nuclear reactor fuel assemblies |
| JPH11211882A (en) * | 1998-01-30 | 1999-08-06 | Toshiba Corp | Lining plate inspecting device for fuel storage pool |
| JP2014020894A (en) * | 2012-07-18 | 2014-02-03 | Toshiba Corp | Failed fuel inspection device and failed fuel inspection method |
| CN106448765A (en) * | 2016-11-25 | 2017-02-22 | 中国核动力研究设计院 | Nuclear power plant spent fuel assembly whole detection device |
| CN207165245U (en) * | 2017-04-21 | 2018-03-30 | 宜兴市隆达环保设备有限公司 | A kind of nuclear fuel assembly storage rack |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113517081A (en) | 2021-10-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPH02168196A (en) | Measuring apparatus for core of pressurized | |
| US11205522B2 (en) | Apparatus and method to remotely inspect piping and piping attachment welds | |
| KR940010232B1 (en) | Prcess & device for inspecting control rod clusters for nuclear fuel assemblies | |
| CN113517081B (en) | Fuel rod inspection and storage device | |
| KR102542254B1 (en) | Apparatus and method for verifying seal by penetrant inspection of nuclear fuel assembly | |
| US10311986B2 (en) | Inspection apparatus and method of inspecting a reactor component using the same | |
| CN104008690A (en) | Reactor pressure vessel simulation test platform for nuclear power plant | |
| JPH0358676B2 (en) | ||
| KR101494455B1 (en) | Specialized Inspection Device for Reactor Head Penetration | |
| CN203134244U (en) | Nuclear power station reactor pressure vessel simulation test platform | |
| JPH05180980A (en) | Method and apparatus for ultrasonic-wave inspection of nuclear fuel rod | |
| EP0146804A2 (en) | Fuel assembly peripheral rod lifting device | |
| US8958519B2 (en) | Incore instrumentation cable routing and support element for pressurized water reactor | |
| CN203732070U (en) | Measurement device for center line of hoisting hole of barrel flange of reactor internal | |
| CN113436765A (en) | Single-rod eddy current and video integrated testing device for fuel assembly of nuclear reactor | |
| JPH02291999A (en) | Guide for upper internal equipment writing pressurized water type nuclear reactor and method and apparatus for inspecting dimensions and shape of positioning member | |
| CN206420815U (en) | A kind of AC magnetic field probe checked suitable for welded seam area | |
| KR200339313Y1 (en) | The probe fixture for eddy current testing of the RCCA of nuclear fuel type | |
| CN216084338U (en) | Single-rod eddy current and video integrated testing device for fuel assembly of nuclear reactor | |
| CN218299391U (en) | Nuclear power station unit control rod assembly inspection device | |
| RU2735094C1 (en) | Device for control of fuel assemblies with nuclear fuel | |
| KR101068968B1 (en) | Inspection device of nuclear fuel assembly | |
| CN215183115U (en) | Debugging rack for large-diameter saddle surface welding line detection equipment | |
| CN217444080U (en) | Fuel single-rod inspection device | |
| KR100305725B1 (en) | The Probe Fixture for Eddy Current Testing of the Rod Cluster Control Assembly of 14 x 14 Nuclear Fuel Type |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |